[Pedodontic File Systems](https://endo-guide.app/pedodontics)

Continuous rotation

Kids-e-Dental LLP (Mumbai, India)

# Kids-e-Files

Dedicated pediatric systemMixed first-party / secondary record

Official Kids-e sources confirm 17 mm length, 4% constant taper, triangular cross-section, non-cutting tip, and rainbow heat-treatment language. The official public pages accessed on March 25, 2026 did not state K1-K4 sizes or RPM/torque, so those details remain lower-confidence than the core product identity.

[Kids-e-Files product page](https://www.kidsedental.com/kids-e-files/)[Kids-e-Dental 2025 catalog PDF](https://www.kidsedental.com/wp-content/uploads/2025/04/Kids-e-Dental-All-Products-Catalogue.pdf)[2025 scoping review (PMC)](https://pmc.ncbi.nlm.nih.gov/articles/PMC12248261/)

Alloy

CM-Wire NiTi

Heat Treatment

Rainbow Surface Technology (3-stage heat treatment)

Length

17mm

Taper

4%

## File List

K1 (Yellow)

#20 / 4%

Triangular

Shaping

K2 (Red)

#25 / 4%

Triangular

Shaping

K3 (Blue)

#30 / 4%

Triangular

Finishing

K4 (Black)

#40 / 4%

Triangular

Finishing / Wide canals

## Protocol

1

### 1\. Canal Assessment

Evaluate primary tooth root canal anatomy and root resorption status with radiograph. Determine working length.

2

### 2\. Glide Path

Create glide path with #10-15 K-file to working length. Confirm canal patency.

3

### 3\. Shaping

K1 (#20) -> K2 (#25) -> K3 (#30) sequence. K4 (#40) for wider canals if needed. Approx. 300-400 RPM, 1.0-2.0 Ncm torque. Advance in short pecking motions (2-3mm).

4

### 4\. Irrigation

Irrigate with NaOCl after each file change. Final irrigation: NaOCl + 17% EDTA.

5

### 5\. Obturation

Dry canal and obturate with appropriate material (Metapex, ZOE-based, or MTA).

## Clinical Tips

- •Use approx. 300-400 RPM, 1.0-2.0 Ncm torque (exact values not specified in manufacturer DFU)
- •Advance in short pecking motions (2-3mm), do not force beyond the apex
- •Irrigate with NaOCl after each file change
- •Enhanced cyclic fatigue resistance via Rainbow Surface Technology
- •ISO color coding: K1=Yellow (#20), K2=Red (#25), K3=Blue (#30), K4=Black (#40)

## Warnings

- ⚠Do not advance beyond the apex due to physiologic root resorption
- ⚠Monitor torque limits (approx. 1.0-2.0 Ncm)
- ⚠Single-use instrument — do not reuse
- ⚠Check file integrity before use
- ⚠Primary tooth dentin walls are thin — do not apply excessive pressure

## Clinical Notes

- →CM-Wire NiTi alloy (Rainbow surface treatment is a separate technology, not the alloy type)
- →Rainbow Surface Technology — enhanced cyclic fatigue resistance through 3-stage heat treatment
- →Triangular cross-section — efficient cutting and debris removal
- →Variable pitch design — reduces fracture risk
- →Non-cutting safety tip — prevents perforation risk
- →Kids-e-Dental LLP (Mumbai, India) — parent company: Laxmi Dental Limited
- →RPM/torque values are not confirmed in manufacturer DFU; values are general clinical ranges for CM-Wire NiTi pediatric files

## References

- Kids-e-Dental product page (kidsedental.com/kids-e-files/) — manufacturer specs: triangular cross-section, 4% taper, 17mm, non-cutting safety tip
- Kids-e-Dental All Products Catalogue, April 2025 — manufacturer product catalogue
- Jayashree V et al. JCHR. 2025;15(5):3057-3065 — comprehensive pediatric rotary file review (Kids-e-Files specs)

![Uzm. Dt. Levent Yüksel](https://endo-guide.app/images/levent-yuksel.jpg)

Reviewed by

Uzm. Dt. Levent Yüksel

DDS · Endodontist

Endodontist — DDS, Hacettepe University; endodontics specialty training, Ankara University. 10+ years of clinical experience. Independently authored and clinically reviewed.

[About the author](https://endo-guide.app/about)[Editorial policy](https://endo-guide.app/editorial-policy)[Clinical profile](https://drleventyuksel.com/)

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